“If cannabis is one of those tools, we need to explore it, keeping in mind both the harms and the benefits.” A first-of-a-kind study. In one previous survey of cannabis users, Bryan’s research group ...

Oakum can be used to seal a cast-iron pipe joint. Step 4: Use a packing iron, dull chisel or wide, flat screwdriver to pack the oakum evenly into the pipe joint. “Yarn” the oakum into the ...